Which utility can extract meta-data and documents on a website to reveal the document creator's network login, e-mail address, ip address, and other important information?

Suppose you are an ad-serving company and you maintain a log of cookie data for ads you serve to the web pages for a particular vendor (say amazon). a. how can you use this data to determine which are the best ads? b. how can you use this data to determine which are the best ad formats? c. how could you records of past ads and ad clicks to determine which ads to send to a given ip address? d. how could you use this data to determine how well the technique you used in your answer to part c was working? e. how could you use this data to determine that a given ip address is used by more than one person? f. how does having this data give you a competitive advantage vis-à-vis other ad-serving companies?

Ineed ! i need a computer whiz to me complete my study guide on computers, it's 50 questions. if anyone can me i'll be greatly appreciated.

If an image has only 4 colors, how many bits are necessary to represent one pixel’s color?